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Problem P5-1 Variable and Full Costing: Sales Constant but Production Fluctuates

ID: 2370420 • Letter: P

Question

Problem P5-1 Variable and Full Costing: Sales Constant but Production Fluctuates

Spencer Electronics produces a wireless home lighting device that allows consumers to turn on home lights from their cars and light a safe path into and through their homes. Information on the first three years of business is as follows:

                                                                                  2011            2012          2013             total

Units sold                                                                  $15,000      $15,000    $15,000         $45,000

Units produced                                                          $15,000      $20,000   $10,000          $45,000

Fixed production costs                                              $750,000    $750,000 $750,000

Variable production costs per unit                               150              150            150

Selling price per unit                                                    250              250            250

Fixed selling and administrative expense                220,000       220,000     220,000

Required:

Part a: Calculate profit and the value of ending inventory for each year using full costing.

                                                                                  2011              2012              2013

Fixed manufacturing overhead                               Amount         Amount          Amount

Divided by ???                                                       Number           Number         Number

Title                                                                        Formula          Formula         Formula

Tiltle                                                                       Amount           Amount          Amount

Full cost per unit                                                    Formula          Formula         Formula

Sales                                                                     Amount           Amount           Amount

Less cost of goods sold:

2008                                                                      Formula

2009                                                                                              Formula

2010                                                                                                                     Formula

Gross margin                                                        Amount            Amount           Amount

Less ???                                                               Amount            Amount           Amount

Net income                                                           Formula           Formula           Formula       Formula

Ending inventory 2008                                          Formula

Ending inventory 2009                                                                  Formula

Ending inventory 2010                                                                                          Formula

Part b: Explain why profit fluctuates from year to year even though the number of units sold, the selling price, and the cost of structure remain constant.

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Part c: Calculate profit and the value of ending inventory for each year using variable costing.

                                                                              2011                   2012                2013

Fixed manufacturing overhead                          Amount                Amount           Amount

Title                                                                    Amount                Amount           Amount

Units sold                                                           Amount                Amount           Amount

Selling price per unit                                          Value                    Value              Value

Sales                                                                  Formula                Formula          Formula

Less???                                                             Amount                 Amount           Amount

Title                                                                    Formula                Formula          Formula

Less fixed costs:

Title                                                                   Amount                 Amount           Amount

Title                                                                   Amount                  Amount          Amount

Tilte                                                                   Formula                Formula          Formula           Formula

Ending inventory 2008                                     Amount

Ending inventory 2009                                                                    Amount

Ending inventory 2010                                                                                           Amount

Explanation / Answer

Sales ($200 * 10000 units sold) $2000000
Less: Fixed production cost $600000
Less: Variable production cost ($100 * 10000 units sold) $1000000
Less: Fixed selling and admin expense $200000
Net profit $200000

Since, quantity produced is equal to quantity sold, you won't have any ending inventory unless you have undisclosed beginning inventory.

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